735 
WTPZ32 KNHC 090844
TCPEP2

BULLETIN
Tropical Storm John Advisory Number  15
NWS National Hurricane Center Miami FL       EP122018
200 AM PDT Thu Aug 09 2018

...JOHN WEAKENS TO A TROPICAL STORM BUT THE DANGEROUS SURF THREAT
CONTINUES...


SUMMARY OF 200 AM PDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...23.7N 115.9W
ABOUT 385 MI...620 KM W OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H
PRESENT MOVEMENT...NW OR 305 DEGREES AT 16 MPH...26 KM/H
MINIMUM CENTRAL PRESSURE...990 MB...29.24 INCHES


WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.


DISCUSSION AND OUTLOOK
----------------------
At 200 AM PDT (0900 UTC), the center of Tropical Storm John was
located near latitude 23.7 North, longitude 115.9 West.  John is
moving toward the northwest near 16 mph (26 km/h), and a turn toward
the west-northwest with a decrease in forward speed is expected over
the next few days.

Maximum sustained winds have decreased to near 70 mph (110 km/h)
with higher gusts.  Some weakening is forecast, and John is
expected to degenerate into a remnant low on Saturday.

Tropical-storm-force winds extend outward up to 140 miles (220 km)
from the center.

The estimated minimum central pressure is 990 mb (29.24 inches).


HAZARDS AFFECTING LAND
----------------------
SURF:  Swells generated by John are affecting portions of the
coasts of southwestern Mexico and the southern portion of the Baja
California peninsula, and will spread northward along the west coast
of the Baja California peninsula during the next couple of days.
The swells are forecast to reach the coast of southern California
by late today.  These swells are likely to cause life-threatening
surf and rip current conditions.  Please consult products from your
local weather office.


NEXT ADVISORY
-------------
Next complete advisory at 800 AM PDT.

$$
Forecaster Blake